200407580

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{9931}}^1$

素因数の和:10949

約数の個数: 24

約数和(自身を含む): 421315440

約数和(自身を除く): 220907860

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 9931, 10090, 19862, 20180, 39724, 49655, 99310, 198620, 10020379, 20040758, 40081516, 50101895, 100203790, 200407580]

約数ペア:

[(1, 200407580), (2, 100203790), (4, 50101895), (5, 40081516), (10, 20040758), (20, 10020379), (1009, 198620), (2018, 99310), (4036, 49655), (5045, 39724), (9931, 20180), (10090, 19862)]